738 



SUBJECT INDEX 



Histohematin, 344 



Hydrobilirubin, 135. See also Meso- 



bilene-(b). 

 Hydrogenase, 446, 647 



adaptation and deadaptation of algae, 



451 

 in evolution, 649 

 inactivation by oxygen, 447 

 inhibitors, 447 

 models, 448 



in nitrogen fixation, 449 

 in photoreduction of bacteria and 



algae, 451 

 preparations, 446 

 Hydrogen peroxide 

 in acidified oxyhemoglobin solution, 396 

 in choleglobin formation, 476, 481 

 in cytochrome c preparations, 432 

 formation in organisms, 416-419, 480, 



481 

 hematin compounds, 184, 185, 444, 468 

 hem/globin compound, 221 

 in hem/globin formation, 392, 520, 521 

 in pentdyopent formation, 500, 560 

 peroxidase compounds, 420, 421 (table) 

 429, 430 (table), 431 (table), 432 

 in sulfhemoglobin formation, 493-495 

 in verdohemochrome formation, 468 

 Hydroxylamine 



inhibition, of catalase, 409, 440 

 of cytochrome oxidase, 366 

 of hydrogenase, 447, 451 

 of peroxidase, 422, 432 

 of photocatalase, 450 

 in nitrogen fixation, 449 



I 



Icterus index, 153 

 Imidazole. See also Ilisfidine. 



hemochromes, 195, 232 

 Imidoporphyrins. See Azaporphyrins. 

 Indophenol oxidase, 366. See also 

 Cytochrome oxidase. 

 "indophenol oxidase" of leucocytes, 

 431 

 Iron. See also Ferritin. 



absorption, 615, 616, 617, 621 

 bile pigment hematin, 561, 562 

 in bone marrow, 565, 566 

 easily detachable, 458, 475, 482, 486, 

 493, 562, 564, 623 



from erythrocytes in stored blood, 

 527 



Iron (contd.) < 



excretion, 562 



from hematin in digestive tract, 

 577, 608 

 hematin-iron, 561, 565, 566, 617 

 hemoglobin-iron, 561 

 and hemoglobin synthesis, incorpor- 

 ation in hemoglobin, 622 

 requirements for. See below, 

 as stimulus, 623 

 in intestinal mucosa, 566 

 in man, 561 



mobilization, 564, 615-620 

 nonhematin iron, 542, 561, 565-568 

 nonhemoglobin, 484 

 in liver, 538, 565, 566, 567, 568 

 radioactive, in iron metabolism, 561, 



562, 566, 618, 620, 622, 623 

 requirements, for hemoglobin forma- 

 tion, 605, 608, 621 

 for hydrogenase formation, 448, 628 

 for synthesis of respiratory enzymes, 

 627 

 in serum, 561, 563 



in disease, '538, 565 

 in spleen, 565-567 

 storage, 561, 564, 565, 567, 615-620, 



623, 624 

 tissue, 561, 564, 565 

 transport, 563 



K 



Kathemoglobin. See Hemickromes (de- 

 natured globin hemichrome) , Dena- 

 turation of hemoglobin. 



a-Ketoglutaric acid, in porphyrin syn- 

 thesis, 639, 640 



Lanaurin, 150 



Lead poisoning, 578, 580, 581, 589, 590 



(table), 596, 600, 629, 643. See also 



Porphyrin formation . 

 Loading and unloading tensions, 324. 



See also 0.ryhemoglobin, Erythro- 



cruorins. 



M 



Magnetochemistry, 21 



magnetochemical titrations, 25 

 Mesobilane, 106 (table), 136, 137 (table), 

 138 ff. 



